Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810485 | Heat exchanger II | David A. Barnes, Tanzi Besant, Keith Robert Pullen | 2017-11-07 |
| 8776869 | Heat exchanger with flexible tubular header connections | David A. Barnes, Tanzi Besant, Keith Robert Pullen | 2014-07-15 |
| 8616269 | Heat exchanger with multi-plate structure and use thereof | Tanzi Besant, John F. Coplin, Arnold J. S. Pratt | 2013-12-31 |